ATTACHMENT MECHANISM FOR STENT RELEASE
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Abstract
An attachment mechanism for coupling a stent to a delivery system is disclosed. The attachment mechanism is configured to pivot relative to an inner shaft assembly of the delivery system in order to release the stent from the delivery system. Methods of deploying the stent with the delivery system are also disclosed.
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Citations
35 Claims
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1-15. -15. (canceled)
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16. :
- A method of deploying a stent to an implantation site of a patient, the method comprising;
providing a delivery system loaded with a radially expandable stent, the delivery system comprising; an elongate support member supporting the stent; a stent attachment mechanism comprising; a casing positioned around the elongate support member; an axle coupled to the casing and including an aperture positioned around the elongate support member; and a lug coupled to the axle and pivotable with respect to the elongate support member, the lug including a plurality of engagement members adapted to engage the stent; a capsule movably disposed over the stent wherein the capsule contains the stent in a compressed arrangement in a loaded state; delivering the stent in the loaded state through a bodily lumen of the patient and to the implantation site; and removing the capsule from the stent, wherein at least a portion of the stent self-expands toward a deployed arrangement such that the lug and the plurality of engagement members pivot relative to the elongate support member to release the stent from the delivery system. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
- A method of deploying a stent to an implantation site of a patient, the method comprising;
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25. :
- A method of deploying a stent to an implantation site of a patient, the method comprising;
providing a delivery system loaded with a radially expandable stent, the delivery system comprising; an elongate support member supporting the stent; a stent attachment mechanism pivotably coupled to the elongate support member, wherein the stent attachment mechanism includes a slot surrounding the elongate support member, wherein the slot defines a range of rotation for the attachment mechanism about the elongate support member; and a capsule movably disposed over the stent wherein the capsule contains the stent in a compressed arrangement in a loaded state; delivering the stent in the loaded state through a bodily lumen of the patient and to the implantation site; and removing the capsule from the stent, wherein at least a portion of the stent self-expands toward a deployed arrangement such that the stent attachment mechanism pivots relative to the elongate support member to release the stent from the delivery system. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
- A method of deploying a stent to an implantation site of a patient, the method comprising;
Specification